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Chapter 8: Problem 10

A single Schwann cell forms myelin around one and only one axon while a single oligodendrocyte forms myelin around several separate axons. a. True b. False

Short Answer

Expert verified
"A single Schwann cell forms myelin around one and only one axon while a single oligodendrocyte forms myelin around several separate axons." Answer: True

Step by step solution

01

Understand Schwann cells and oligodendrocytes

Schwann cells and oligodendrocytes are glial cells that play a crucial role in the nervous system by producing and maintaining the myelin sheath around axons. The myelin sheath is essential for the proper conduction of electrical impulses along the axons, which allows effective communication between neurons. Schwann cells are found in the peripheral nervous system, while oligodendrocytes are found in the central nervous system.
02

Differentiate between Schwann cells and oligodendrocytes in myelin formation

The primary difference between Schwann cells and oligodendrocytes lies in their ability to myelinate axons. Schwann cells myelinate a single axon by wrapping their cell membrane around the axon's length. In contrast, oligodendrocytes have multiple extensions that can myelinate several axons simultaneously. These extensions branch out from the cell body, connecting to individual axons, and wrap around each axon segment, forming the myelin sheath.
03

Evaluate the statement

The given statement states that "A single Schwann cell forms myelin around one and only one axon while a single oligodendrocyte forms myelin around several separate axons." Based on our understanding of Schwann cells and oligodendrocytes, this statement is accurate.
04

Choose the correct answer

Since the statement is true, the correct answer is: a. True

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Most popular questions from this chapter

Which of the following functions in the nervous system is not provided by the oligodendrocytes? a. Ensheath axons b. Supply neurotrophic factors c. Form the node of Ranvier d. Phagocytic properties to remove debris.

Oligodendrocytes progenitors are identified by A2B5 antibody whereas pre- oligodendrocytes are identified by \(O 4\) antibody. a. True b. False

Which of the following molecule is not a part of the peripheral nervous system? a. LINGO-1 b. BDNF c. CNTF d. PDGF e. EGF

Which of the sequential stage is correct for oligodendroglial development? a. Neural stem cells, progenitors, pre-oligodendrocytes, precursors and mature oligodendrocytes. b. Progenitors, precursors, pre-oligodendrocytes, mature oligodendrocytes and neural stem cells. c. Neural stem cells, precursors, progenitors, preoligodendrocytes and mature oligodendrocytes. d. Pre-oligodendrocytes, precursors, mature oligodendrocytes, progenitors and neural stem cells. e. None of the above.

Oligodendrocytes progenitors are identified by \(\mathbf{A 2 B 5}\) antibody whereas pre-oligodendrocytes are identified by 04 antibody. a. True b. False
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